The safe amount of any narcotic depends on a personâs individual tolerance to opioid medications. Tramadol is always started at a smaller initial dose of 100 mg per day. In patients whoâve experienced more exposure to the drug, safe doses may be as high as 450 mg a day.
whether a substance is a gas, liquid, or solid depends on the balance between the kinetic energy of its particles and the strength of the interactions between the particles gas
It's not as simple as a specific substance always changing directly from solid to gas, and vice versa. It depends on pressure also. For example, water can change directly from gas to solid at low enough pressure.